1、Touch screen with backlight and clear numbers make humidity and temperature easier to read and use in dim light conditions. 2、Providing updated and accurate readings every 10 seconds. With ℃/℉ switching function. 3、Display all time/24 hours maximum and minimum humidity and temperature records; also display the trend of each reading. 4、Convenient installation function, suitable for various types of rooms such as greenhouse, basement, baby room, guitar room, etc. 5、Test indoor humidity and temperature in time. The hygrometer displays the comfort level and helps adjust the humidifier and dehumidifier setting. 6、Light in weight, small in size, compact in structure, space saving and portable. 1 x Thermometer Hygrometer (Battery Not Included)1 x Manual  Item Type: Thermometer Hygrometer Product Size: Approx. 11.7x 8.6x 2.5cm / 4.6x 3.4x 1.0inWeight: Approx. 145g / 5.1ozMaterial: ABSColor: WhiteBattery Model: 2 x AAA battery (battery not included)Backlight Color: BlueError Degree: ±1℃, ±5%Measurement Interval: Every 10sTemperature Range: -10℃~50℃ (14℉~158℉)Humidity Range: 10%~99%Dry: 10%-49%Comfort: 50%-70%Wet: 71%-99%Function: Multifunctional hygrometer, thermometer, touch screen, backlight, comfort indicator, ℃/℉ switch, maximum and minimum humidity record, maximum and minimum temperature record.Placement Method: A. Put it on the table with a folding stand.B. Stick it on the refrigerator or any other metal surface.C. Hang it on the wall with hole.